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Recessed Washer NSN 5310-00-086-7048

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-00-086-7048 NSN: 5310-00-086-7048

Features and Characteristics

Hole Diameter
Between 0.320 inches and 0.330 inches
Outside Diameter
Between 1.070 inches and 1.090 inches
Material Thickness
Between 0.058 inches and 0.062 inches
Top Recess Diameter
Between 0.370 inches and 0.390 inches
Bottom Recess Angle
120.0 degrees
Top Recess Angle
120.0 degrees
Bottom Recess Diameter
Between 0.370 inches and 0.390 inches
Surface Finish
63.0 microinches all surfaces
Heat Treatment
F-as fabricated
Material
Aluminum alloy
Material Specification
Ams4027 assn standard single material response
Surface Treatment
Anodize
Surface Treatment Specification
Ams2470 assn standard single treatment response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
000867048
NSN
5310000867048

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2-160-273-01
Cage Code:
99193
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-086-7048
What are the manufacturers of nsn 5310000867048?
Does this nsn 5310000867048 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000867048
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310000867048 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000867048 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000867048?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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